diff options
Diffstat (limited to 'sound/pci/nm256/nm256.c')
| -rw-r--r-- | sound/pci/nm256/nm256.c | 23 |
1 files changed, 20 insertions, 3 deletions
diff --git a/sound/pci/nm256/nm256.c b/sound/pci/nm256/nm256.c index ebfa38b51128..d0da9a53de03 100644 --- a/sound/pci/nm256/nm256.c +++ b/sound/pci/nm256/nm256.c @@ -62,6 +62,7 @@ static int buffer_top[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 0}; /* not spe static int use_cache[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 0}; /* disabled */ static int vaio_hack[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 0}; /* disabled */ static int reset_workaround[SNDRV_CARDS]; +static int reset_workaround_2[SNDRV_CARDS]; module_param_array(index, int, NULL, 0444); MODULE_PARM_DESC(index, "Index value for " CARD_NAME " soundcard."); @@ -83,6 +84,8 @@ module_param_array(vaio_hack, bool, NULL, 0444); MODULE_PARM_DESC(vaio_hack, "Enable workaround for Sony VAIO notebooks."); module_param_array(reset_workaround, bool, NULL, 0444); MODULE_PARM_DESC(reset_workaround, "Enable AC97 RESET workaround for some laptops."); +module_param_array(reset_workaround_2, bool, NULL, 0444); +MODULE_PARM_DESC(reset_workaround_2, "Enable extended AC97 RESET workaround for some other laptops."); /* * hw definitions @@ -226,6 +229,7 @@ struct snd_nm256 { unsigned int coeffs_current: 1; /* coeff. table is loaded? */ unsigned int use_cache: 1; /* use one big coef. table */ unsigned int reset_workaround: 1; /* Workaround for some laptops to avoid freeze */ + unsigned int reset_workaround_2: 1; /* Extended workaround for some other laptops to avoid freeze */ int mixer_base; /* register offset of ac97 mixer */ int mixer_status_offset; /* offset of mixer status reg. */ @@ -1199,8 +1203,11 @@ snd_nm256_ac97_reset(ac97_t *ac97) /* Dell latitude LS will lock up by this */ snd_nm256_writeb(chip, 0x6cc, 0x87); } - snd_nm256_writeb(chip, 0x6cc, 0x80); - snd_nm256_writeb(chip, 0x6cc, 0x0); + if (! chip->reset_workaround_2) { + /* Dell latitude CSx will lock up by this */ + snd_nm256_writeb(chip, 0x6cc, 0x80); + snd_nm256_writeb(chip, 0x6cc, 0x0); + } } /* create an ac97 mixer interface */ @@ -1536,7 +1543,7 @@ struct nm256_quirk { int type; }; -enum { NM_BLACKLISTED, NM_RESET_WORKAROUND }; +enum { NM_BLACKLISTED, NM_RESET_WORKAROUND, NM_RESET_WORKAROUND_2 }; static struct nm256_quirk nm256_quirks[] __devinitdata = { /* HP omnibook 4150 has cs4232 codec internally */ @@ -1545,6 +1552,8 @@ static struct nm256_quirk nm256_quirks[] __devinitdata = { { .vendor = 0x104d, .device = 0x8041, .type = NM_RESET_WORKAROUND }, /* Dell Latitude LS */ { .vendor = 0x1028, .device = 0x0080, .type = NM_RESET_WORKAROUND }, + /* Dell Latitude CSx */ + { .vendor = 0x1028, .device = 0x0091, .type = NM_RESET_WORKAROUND_2 }, { } /* terminator */ }; @@ -1576,6 +1585,9 @@ static int __devinit snd_nm256_probe(struct pci_dev *pci, case NM_BLACKLISTED: printk(KERN_INFO "nm256: The device is blacklisted. Loading stopped\n"); return -ENODEV; + case NM_RESET_WORKAROUND_2: + reset_workaround_2[dev] = 1; + /* Fall-through */ case NM_RESET_WORKAROUND: reset_workaround[dev] = 1; break; @@ -1632,6 +1644,11 @@ static int __devinit snd_nm256_probe(struct pci_dev *pci, chip->reset_workaround = 1; } + if (reset_workaround_2[dev]) { + snd_printdd(KERN_INFO "nm256: reset_workaround_2 activated\n"); + chip->reset_workaround_2 = 1; + } + if ((err = snd_nm256_pcm(chip, 0)) < 0 || (err = snd_nm256_mixer(chip)) < 0) { snd_card_free(card); |